Home / 13,083.47-19,619.05-4,757.62

Finding the Fourth Proportional to 13,083.47, 19,619.05 and 4,757.62

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Solution

The fourth proportional to 13,083.47, 19,619.05 and 4,757.62 is: 7,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.47 : 19,619.05 = 4,757.62 : x
  2. Step 2: Convert to fraction form
    13,083.47/19,619.05 = 4,757.62/x
  3. Step 3: Cross multiply
    13,083.47x = 19,619.05 × 4,757.62
  4. Step 4: Simplify right side
    13,083.47x = 93,339,984.66
  5. Step 5: Solve for x
    x = 93,339,984.66/13,083.47
  6. Step 6: Final answer
    x = 7,134.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.